“I want my Whoop age to be younger,” Ahmed admits. “So, I’ve been training in zones four and five, which is really intense ...

Burn calories and push your limits with this 20-minute intense cardio HIIT workout. Designed for advanced training, it targets the full body without any equipment. Perfect for building endurance, ...

This bodyweight HIIT workout takes only 10 minutes featuring cardio-intensive exercises like squats, lunges, jumping jacks, ...

A VO2 max test measures heart health and breaks down your ideal cardio zones for burning fat and building muscle.